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The original was posted on /r/opensource by /u/Blazemonkey on 2026-01-03 10:08:00+00:00.
For decades, I’ve been using WinDirStat to narrow down what my disk storage is spent on, and I’ve always loved its minimalist yet highly visually informative interface. But the one and only complaint about it over the last several years is that it was slow compared to other proprietary software, and it was very slow…
Well, that’s definitely not the case anymore. I was able to scan a mid range Samsung 870 EVO 4TB SSD with 1.2% empty space (98.8% full!) in less than two seconds. Then, in under 10 seconds, it scanned 16.1TB of data from a SMB network share on a ZFS array over a 2.5Gb connection.
This is a tremendous improvement over a few years ago when I last updated the app, and the performance over a network share is simply amazing…
I’m not affiliated with the project at all, and I can’t say when exactly this performance improvement happened. I haven’t heard of, and cant really find any news of this update, so please don’t flame me for being old news. Just trying to inform folks! :D
Also, this is a Windows application only. On my linux machines specifically use NCDU.